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Linq to Objects: does GroupBy preserve order of elements?
...her fields than the group key, you saved my day with your comment. LINQ to MySql sorts the groups automagically by the group key! I've had to use ToList to bring the ordered query to local objects, then group over that. Thank you.
– Ivan Ferrer Villa
Dec 3 '19 ...
图表组件 · App Inventor 2 中文网
...图，该值则没有效果。
类型
指定图表的类型，它决定如何可视化数据。
可见性
设置图表是否显示在屏幕上，值是真则图表显示，假则隐藏。
宽度
设置图表的水平宽度，以像素px为单位。
宽度百分比
设置图表的水...
How to SSH to a VirtualBox guest externally through a host? [closed]
...255.255.255.0
# reboot
Configure ssh service (administering) to login as root (not adviced)
Check if ssh is enabled
# svcs -a | grep ssh
online 15:29:57 svc:/network/ssh:default
Modify /etc/ssh/sshd_config so there is
PermitRootLogin yes
Restart ssh service
svcadm restart ssh
Fro...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
I had the same question as asked here: New git repository in root directory to subsume an exist repository in a sub-directory
...
What is the difference D3 datum vs. data?
...below or in this Fiddle.
const data = [1,2,3,4,5];
const el = d3.select('#root');
el
.append('div')
.classed('a', true)
.datum(data)
.text(d => `node => data: ${d}`);
const join= el
.selectAll('div.b')
.data(data);
join
.enter()
.append('div')
.classed('b', true)
.text((d, i) =>...
How to create a zip file in Java
...a.length);
out.closeEntry();
out.close();
This will create a zip in the root of D: named test.zip which will contain one single file called mytext.txt. Of course you can add more zip entries and also specify a subdirectory like this:
ZipEntry e = new ZipEntry("folderName/mytext.txt");
You can ...
How can I get the domain name of my site within a Django template?
....is_secure() else 'http'
return {
'site': site,
'site_root': SimpleLazyObject(lambda: "{0}://{1}".format(protocol, site.domain)),
}
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Android studio add external project to build.gradle
...
The settings dir points to 'root' I need to get a level higher, to another module in another project.
– TacB0sS
Jul 5 '13 at 18:37
...
Ruby on Rails production log rotation
... used here and cause problems according to comment. And removed create 640 root adm as per comment suggested.
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On Duplicate Key Update same as insert
...
There is a MySQL specific extension to SQL that may be what you want - REPLACE INTO
However it does not work quite the same as 'ON DUPLICATE UPDATE'
It deletes the old row that clashes with the new row and then inserts the new row. ...